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psram: fix 16mbit psram id read error

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chenjianqiang 2020-06-05 21:06:21 +08:00 committed by bot
parent bb1cdfa118
commit ec0030609e
1 changed files with 6 additions and 0 deletions
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6
components/esp32/spiram_psram.c
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@ -895,8 +895,14 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
bootloader_common_vddsdio_configure();
// GPIO related settings
psram_gpio_config(&psram_io, mode);
/* 16Mbit psram ID read error
* workaround: Issue a pre-condition of dummy read id, then Read ID command
*/
psram_read_id(&s_psram_id);
psram_read_id(&s_psram_id);
if (!PSRAM_IS_VALID(s_psram_id)) {
ESP_EARLY_LOGE(TAG, "PSRAM ID read error: 0x%08x", (uint32_t)s_psram_id);
return ESP_FAIL;
}